2.5-18.1

1 files changed, 55 insertions, 0 deletions

diff --git a/math/w_tgammal.c b/math/w_tgammal.c
new file mode 100644
index 0000000000..75970a34d4
--- /dev/null
+++ b/math/w_tgammal.c
@@ -0,0 +1,55 @@
+/* w_gammal.c -- long double version of w_gamma.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* long double gammal(double x)
+ * Return the Gamma function of x.
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __tgammal(long double x)
+#else
+	long double __tgammal(x)
+	long double x;
+#endif
+{
+        long double y;
+	int local_signgam;
+	y = __ieee754_gammal_r(x,&local_signgam);
+	if (local_signgam < 0) y = -y;
+#ifdef _IEEE_LIBM
+	return y;
+#else
+	if(_LIB_VERSION == _IEEE_) return y;
+
+	if(!__finitel(y)&&__finitel(x)) {
+	  if(x==0.0)
+	    return __kernel_standard(x,x,250); /* tgamma pole */
+	  else if(__floorl(x)==x&&x<0.0)
+	    return __kernel_standard(x,x,241); /* tgamma domain */
+	  else
+	    return __kernel_standard(x,x,240); /* tgamma overflow */
+	}
+	return y;
+#endif
+}
+weak_alias (__tgammal, tgammal)